Question

Suppose there is CheckBox and I want to perform checkBox_CheckedChanged event when it is checked.how to do that?

Answer 1

Markup:

<asp:CheckBox runat="server" AutoPostBack="true" OnCheckedChanged="checkBox_CheckedChanged" />

Code-behind:

using System.Web.UI.WebControls;

protected void checkBox_CheckedChanged(object sender, EventArgs e)
{
    CheckBox checkBox = (CheckBox)sender;
    bool @checked = checkBox.Checked;
    // do other stuff
}